So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.
所以实际上，双盲对照研究并不会保证疗效和安全，因为它留下太多无法回答的问题。
METHODS: Randomized double blind control clinical trial was used.
方法：随机双盲双模拟对照研究。
METHODS: The parallel double blind randomized control clinical trial was used.
方法：采用平行双盲随机对照研究。
Studies on phase I clinical trials of artesunate tablet were carried out with double blind method in 22 male healthy volunteers.
以双盲法对22名健康男性志愿者进行青蒿琥酯片口服的耐受性和不良反应研究。
Objective: To compare the clinical applications of domestic enflurane and imported enflurane by randomly double blind controlled method.
目的：采用大样本随机双盲对照方法对国产和进口安氟醚临床应用进行比较。
Methods: Adopt some methods such as receptor binding assay, hot plate, the tail withdrawal reflex, EEG, hemodynamics and the randomized double blind evaluation.
方法：应用受体结合、热板、甩尾反射、EEG、血流动力学、随机双盲评价等方法。
AIM: to observe the effect of melatonin in treating elderly patients with primary insomnia by using the objective evaluating method of double blind placebo control.
目的：应用双盲安慰剂对照的客观评估方法观察褪黑素对老年原发性失眠患者的治疗作用。
METHODS:A double blind, double modeling, randomized and paralleled control study was performed in 48 patients with anxiety disorders for 4 weeks, and diazepam was used as the control drugs.
方法：采用双盲双模拟、随机、平行对照研究，以地西泮为对照药。完成4周治疗的患者共48例。
Double blind controlled trials have shown thatCoQ10 improves symptoms, functional capacity and quality of life in patients with heart failure with no side effects.
双盲控制试验表明辅酶Q10改善心衰患者症状，功能及生活质量且没有副作用。
The review included only double-blind randomised controlled trials, which are the best type of study for finding out the effects of a treatment.
这份研究只包含了双盲随机控制实验，这是找寻治疗效果最好的研究方式。
A spokesman added: 'The claim was supported by well-designed, double-blind, placebo-controlled human studies.
一位发言人补充道：“这个断言得到严格设计、双盲和安慰剂对照人体研究的支持。”
The approval was based on data from 2 prospective, randomized, double-blind placebo-controlled clinical studies.
这次批准的依据是2次前瞻性随机双盲安慰剂控制对照临床研究的数据。
What's more, it's impossible to hide the fact that people are receiving Botox, he adds – and that would invalidate the double-blind nature of the experiment.
此外，他还补充道，谁在注射肉毒杆菌素这一事实是无法掩盖的，这会使试验失去双盲性。
Initial trials of PLX4032 suggest it may be as good as, or even better than, ipilimumab at improving sufferers' survival. A full-scale, double-blind trial is now under way.
最初的PLX4032的试验证明它在延长患者生命方面同ipilimumab一样好，甚至比ipilimumab更好，全规模的双盲试验目前正在进行中。
New hope for hundreds of thousands of people suffering from chronic sciatica was revealed this week in a Phase II randomized, double-blind, placebo-controlled trial.
本周在一项II期随机、双盲、安慰剂对照试验中揭晓了几十万慢性坐骨神经痛患者的治疗新希望。
All manuscripts will go through a strict double-blind review process.
所有稿件均需经过严格的双盲评审。
Methods: Prospective, double-blind control study.
方法：前瞻性、双盲对照研究。
Methods: To adopt a random, double-blind and placebo comparative research.
方法：采用前瞻性随机双盲、安慰剂对照研究。
Study Design. Prospective, randomized, double-blind study.
研究设计：前瞻性、随机化、双盲研究。
Methods We conducted a multicenter, randomized, double-blind trial involving nulliparous women who were at low risk for preeclampsia.
方法我们进行了一项多中心、随机、双盲试验，纳入先兆子痫危险低的未经产妇女。
Therefore, in this prospective double-blind study, the researchers looked to see if it is worth waiting to vaccinate until after patients have been on ART and their viral loads are suppressed.
因此，在这个前瞻性双盲研究中，研究人员希望知道，是否值得等待到患者进行ART治疗、病毒载量受到抑制后再进行疫苗接种。
The double-blind, randomized, placebo-controlled study included 24 patients ages 48 to 84.
该双盲随机严格对照试验纳入了24名48到84岁的患者。
Methods A randomized double-blind parallel controlled clinical trial was conducted.
方法本研究采用随机、双盲、平行对照的临床研究方法。
The researchers enrolled 105 children, between ages 2 and 18, in their randomized, partially double-blind study.
研究人员纳入了105名儿童（年龄在2至18岁之间）进行随机、部分双盲研究。
In 1979 and 1985, however, other researchers reported no benefit for cancer patients taking high oral doses of vitamin C in two double-blind, placebo-controlled clinical trials.
但是，在1979年和1985年，两项双盲安慰剂对照临床实验的研究者报道说肿瘤患者口服高剂量的维生素C没有收到治疗作用。
Methods: Randomized, double-blind and drug parallel comparison trial were adopted.
方法：采用随机、双盲、平行对照试验。
This study was designed as randomized, double-blind and crossover trials.
本研究是采取随机、双盲、交叉试验设计。
Methods: a clinical trial by randomized, double-blind, parallel control was conducted. The control drug was imported cefmetazole.
方法：采用双盲、随机、平行对照试验设计，以进口头孢美唑钠为对照药物。
Methods: a clinical trial by randomized, double-blind, parallel control was conducted. The control drug was imported cefmetazole.
方法：采用双盲、随机、平行对照试验设计，以进口头孢美唑钠为对照药物。
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